It was discovered by NASA’s Mars Reconnaissance Orbiter (NRO), which has been studying the Martian surface for 11 years. The vast pit, estimated to be hundreds of feet across and surrounded by frozen carbon dioxide, is located on the south pole of Mars— sticking out among the Swiss cheese terrain of Earth’s closest neighbor. . . . Read Complete Report

As I have stated for 50 years it is my belief that planetary civilizations live inside planets and Earth’s outer civilization, man, is an experiment conducted by an Advanced Civilization that lives inside our planet to see if a civilization can exist on the outside of a planet for any length of time and what would happen to such an outer civilization placed here. Crazy Idea? Maybe so, but here is another finding that, well . . . Your Editor Dennis Crenshaw (This site is not called The Hollow Earth Insider nothing)

Windows into the abyss
Black spots have been discovered on Mars that are so dark that nothing inside can be seen. Quite possibly, the spots are entrances to deep underground caves capable of protecting Martian life, were it to exist.
See the picture in High Quality:http://apod.nasa.gov/apod/ap070528.html